From MangaHelpers: In the year 2020, it was found out that a harmful virus had infected the human race, killing them slowly and bringing them towards a dark future. But with the technology they had in hand...

Onohara Asami is a cute, 17 year-old, 2nd-year high school student. What nobody knows is that she's actually already married, to her physics teacher. Besides her responsibility as a student, she now has to...

Shouta Oone was feeling that his daily school life had become dull. In the midst of his boredom, he coincidentally ends up learning the outrageous secret of his classmate, Ichigo Otohime! This is a bittersweet...

A snapshot of a pair of twins. One's a ditzy, big-boobed oneechan, while one is a typical younger twin otouto. Ecchi ensures.

During his 80th birthday, Watari Eiji has a heart attack. On his deathbed, he desperately wishes to fulfill his one wish in his next life. Instead of reincarnating, he spontaneously becomes his younger self.

Toshi, an ordinary high school student, spent his days being fed and taught by a beautiful neighbor named Yuu-nee-san, who lived near his house instead of his parents, who were rarely home. The older sister was...

Kiryuin Hanao is the idol of her school and her childhood friend Takezou Watanabe is always by her side, helping her throughout her activities. But when she suddenly becomes a giantess, she is forced to return...

Weak, bullied, and pessimistic about life, that's Setsuna Kashiwagi. On the verge of jumping off a bridge, a mysterious man appears behind him and offers the contract "10 million yen in exchange for your life...

Hirose Goushi has a huge sister complex. So huge, he moves from his home town to Tokyo to attend Myouzen University in order to escape it! Three years later, Goushi's little sister Noa shows up and informs...

Saya is an average school girl in every way but one: she's got a HUGE crush on her older brother! She's never been able to raise any flags with him (mostly due to her habit of beating him to a pulp whenever she...

From Operation Boredom: Junior High student Nao's brother complex is so strong, it's almost at the point of incest. She's determined to make her brother, High School student Shuusuke, see her as a woman. So...

Yukino Shiroi is the new cute girl in class, the kind of girl Kyousuke Kai can only dream about. Yet somehow they wind up going out together. It all seems too easy. But the girl has a secret: she draws the most...

Junichi Sasaki joins his school's drama club upon entering high school. However, he soon finds himself dressing up as a girl for his first stage performance.

Wakaba Chiharu is a fujoshi, but hides it from her friends. She fantasizes about male classmates being intimate and uses them for her manuscripts. But somebody is interfering with her daydreams...

My privates, don’t expose yourself!! “How does it work for boys?” I, Oogami, am absorbed in erotic things while trying to keep my interest hidden. If I were to be found out, I wouldn’t be able stay alive… While...

First-year high school student Minoru Suzuki, who resembles his late father like two drops of water, often sees visions of his mother's past as a high school student through the eyes of his father.

Sixteen-year-old Toudou Jun’s world is flipped upside down when he’s forced to enroll in an all-girls school to pay off his family’s staggering four-billion-yen debt. The twist? The student council is secretly...

The Official 4koma Anthology Dengeki Comics EX

This Comic Anthology expands the Ore no Imouto series with thirteen chapters from a variety of artists contributing to this side-story!

Eita enters high school aiming for the National University School of Medicine. Because of his parents' divorce--and his goal--he shuns anything to do with romance or love. One day Masuzu, the school beauty with...

The story sets one month after Eita and Masuzu start dating, and sets itself on a "what if" scenario where the Harem element is stronger than in the original.